目的：探讨发形霞水母心血管活性的作用机理，纯化与鉴定发形霞水母心血管活性蛋白。
Object: to explore the mechanism of cardiovascular activity from jellyfish venoms, as well as to purify and identify the cardiovascular protein.
对于储藏的血液而言，情形更是如此，因为红细胞随年龄增长而日益失去灵活性，也就越来越难以挤到毛细血管里。
And that is doubly true of the cells in stored blood since red blood cells become less flexible with age, and thus less able to squish into capillaries.
血管活性肠肽只能起到短暂的效果，因为它很快就会被一种叫做中性肽链内切酶的物质分解。
VIP has only a short-lived effect, because it is soon broken down by an enzyme called Neutral Endopeptidase (NEP).
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